For reliable, long-term prevention of frost heave under industrial freezer units, Delta-Therm uses only Mineral Insulated (M.I.) cable assemblies to maintain the optimum temperature of the permafrost layer beneath freezer floors.
Delta-Therm M.I. cable assemblies are UL Listed and CSA Certified for permafrost prevention. They’re easy to install, and resist fire and degradation over time. All of our thermostats are UL Listed and rated from NEMA 1 to NEMA 4X. Essential accessories are provided with each system.
Post-installation wiring inspections will extend the warranty period of Delta-Therm M.I. cable to 10 years.
Permafrost Cable Assemblies
Delta-Therm M.I. Cable assemblies for Permafrost prevention come ready to install with factory terminations and resistance testing. M.I. cables resist fire, corrosion and degradation over time, and are available with one or two conductors.
Delta-Therm offers electronic temperature and remote bulb controls, as well as ambient sensing thermostats for Permafrost prevention. All are UL Listed. Product ratings range from NEMA 1 to NEMA 4X depending on the application.
GFPE Power Control Panels, available in NEMA 1*, 4 or 4X enclosures, meet or exceed safety codes for Permafrost Prevention. Delta-Therm also offers Enclosed DT Contactor panels and UL Listed/ Control/Monitor/Alarm custom design panels.
* Recommended for economy, accessibility and convenience except where the environment demands greater protection from dust, weather and corrosion.
To facilitate the installation, Delta-Therm offers Pre-punched Strapping weatherproof junction boxes, and Caution Labels.